It would be great to be able to translate into two languages simultaneously. I often have to translate long lists of products into two languages (here: NL > ES and CA), and then I have to do a painstaking review between the two files to ensure consistency. This would be resolved by being able to translate into two languages as follows:
The translator should be able to choose if they want to translate one language first, or if they want to translate the two languages together, segment by segment.